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authorEmil Velikov <emil.l.velikov@gmail.com>2016-03-05 21:25:44 +0000
committerDylan Baker <baker.dylan.c@gmail.com>2016-03-28 16:11:44 -0700
commit26073874a532c35c196b32412e586924dbe51884 (patch)
tree4bae24bb4339c51a93a9f7dcb721a5c3a3a64dbe
parentb67bca54408e5a5b1738570f238129e70618f37e (diff)
egl/x11: check the return value of xcb_dri2_get_buffers_reply()
... before using it. The function can return NULL, which we should check prior to refererencing it in the next function(s). Cc: Fabian Vogt <fvogt@suse.com> Cc: "11.1 11.2" <mesa-stable@lists.freedesktop.org> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93667 Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com> Reviewed-by: Eduardo Lima Mitev <elima@igalia.com> (cherry picked from commit b9c5c4af6dbfab28b1f0a78e41bffff1b2e06ce9)
-rw-r--r--src/egl/drivers/dri2/platform_x11.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/egl/drivers/dri2/platform_x11.c b/src/egl/drivers/dri2/platform_x11.c
index 420f567651..3ab91886e0 100644
--- a/src/egl/drivers/dri2/platform_x11.c
+++ b/src/egl/drivers/dri2/platform_x11.c
@@ -1006,6 +1006,9 @@ dri2_create_image_khr_pixmap(_EGLDisplay *disp, _EGLContext *ctx,
geometry_cookie = xcb_get_geometry (dri2_dpy->conn, drawable);
buffers_reply = xcb_dri2_get_buffers_reply (dri2_dpy->conn,
buffers_cookie, NULL);
+ if (buffers_reply == NULL)
+ return NULL;
+
buffers = xcb_dri2_get_buffers_buffers (buffers_reply);
if (buffers == NULL) {
return NULL;